[SH][committed] Fix gcc.target/sh/pr54680.c test

[SH][committed] Fix gcc.target/sh/pr54680.c test

[Oleg Endo]

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Hi,

The SH specific test gcc.target/sh/pr54680.c has started to fail
recently.  This is because of improved IPA optimizations.  For this test
the IPA optimization should be turned off.

Tested with
make -k check-gcc RUNTESTFLAGS="sh.exp=pr54680.c --target_board=sh-sim
\{-m2/-ml,-m2/-mb,-m2a/-mb,-m4/-ml,-m4/-mb,-m4a/-ml,-m4a/-mb}"

Committed as r221309.

gcc/testsuite/ChangeLog:
	* gcc.target/sh/pr54680.c: Add -fno-ipa-icf option.

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Index: gcc/testsuite/gcc.target/sh/pr54680.c
===================================================================
--- gcc/testsuite/gcc.target/sh/pr54680.c	(revision 221307)
+++ gcc/testsuite/gcc.target/sh/pr54680.c	(working copy)
@@ -2,7 +2,7 @@
    to int.  Notice that we can't count just "lds" insns because mode switches
    use "lds.l".  */
 /* { dg-do compile }  */
-/* { dg-options "-O2 -mfsca -funsafe-math-optimizations" } */
+/* { dg-options "-O2 -mfsca -funsafe-math-optimizations -fno-ipa-icf" }  */
 /* { dg-skip-if "" { "sh*-*-*" } { "-m1" "-m2*" "-m3*" "-m4al" "*nofpu" "-m4-340*" "-m4-400*" "-m4-500*" "-m5*" } { "" } }  */
 /* { dg-final { scan-assembler-times "fsca" 7 } } */
 /* { dg-final { scan-assembler-times "shad" 1 } } */